21840261376

素因数分解:

$2^8\times {\mathrm{85313521}}^1$

素因数の和:85313537

約数の個数: 18

約数和(自身を含む): 43595209742

約数和(自身を除く): 21754948366

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 85313521, 170627042, 341254084, 682508168, 1365016336, 2730032672, 5460065344, 10920130688, 21840261376]

約数ペア:

[(1, 21840261376), (2, 10920130688), (4, 5460065344), (8, 2730032672), (16, 1365016336), (32, 682508168), (64, 341254084), (128, 170627042), (256, 85313521)]